This page explains how Gerald R. Naugle (USATT# 8603)'s rating went from 1637 to 1587 at the 1994 Michigan State Championsh held on - 30 Apr 1994. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.